# SDR DL738040869

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2004
- Submitted: September 17, 2004
- Operation: Air carrier
- Aircraft: [N3750D](https://openairdocs.org/aircraft/N3750D), registered now
- Make and model: Boeing 737832
- Aircraft serial: 32375
- Aircraft time: 9,737 hours, 4,416 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 887477
- Part serial: MX640425
- Condition: Failed
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL738040869

## Discrepancy

LOW PRESS LIGHT ON SYS-A ELECT HYD PUMP CAME ON AND A-SYS HYD QTY STEADILY DECREASED TO 21 PERCENT THEN SYS PRESS BEGAN FLUCTUATING.  COMPLIED WITH QRH NNC 13.2.  REPLACED FAILED AND LEAKING A SYS ELECT HYD PUMP AND FILTERS.

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